#include<stdio.h>
#include<math.h>
int main(void)
{
    int a,b,c;
    int C;
    printf("please input a=");
    scanf("%d",&a);
    printf("please input b=");
    scanf("%d",&b);
    printf("please input c=");
    scanf("%d",&c);
    if(c>a+b)
    {
        C=a+b+c;
        printf("C=%d\n",C);
    }
    else if(c<=a+b)
    {
        printf("no result.");
    }
}
